SCT2600 可Pin To Pin 替换LMR16006Y-Q1

The SCT2600 is 0.6A buck converter with wide input 
voltage, ranging from 4.5V to 60V, which integrates an
500mΩ high-side MOSFET. The SCT2600, adopting 
the peak current mode control, supports the Pulse 
Skipping Modulation (PSM) with 80uA low quiescent 
current which assists the converter on achieving high 
efficiency at light load or standby condition. 
The SCT2600 features fixed 2.1MHz switching 
frequency, which minimizes the external off chip 
passive components size and reduces the output 
ripple. The SCT2600 allows power conversion from 
high input voltage to low output voltage with a minimum 
80ns on-time of high-side MOSFET and also supports 
low dropout operation with a low voltage difference 
from input to output.
The device offers fixed 6ms soft start to prevent inrush 
current during the startup of output voltage ramping, 
and compensation circuits are implemented internally 
which allows the device to be used with minimized 
external components. 
The 

4.5V-60V Vin, 0.6A, High Efficiency Step-down DCDC Converter
FEATURES
 Wide Input Range: 4.5V-60V
 Continuous Output Current: 0.6A
 0.765V ±2.5% Feedback Reference Voltage
 Integrated 500mΩ High-Side
 Low Quiescent Current: 80uA
 Pulse Skipping Mode (PSM) in light load
 80ns Minimum On-time
 6ms Internal Soft-start Time
 Internal compensation
 Switching Frequency 2.1MHz
 Precision Enable Threshold for Programmable
Input Voltage Under-Voltage Lock Out Protection
(UVLO) Threshold and Hysteresis
 Low Dropout Mode Operation
 Over-voltage and Over-Temperature Protection
 Available in an TSOT23-6L Package
APPLICATIONS
 12-V, 24-V, 48-V Industry and Telecom Power
System
 Industrial Automation and Motor Control
 Vehicle Accessories
 Portable Handheld Instruments
 Portable Media Players

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